chore(deps): update actions/download-artifact action to v4.2.1 (#19)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ctest.yml

@@ -95,7 +95,7 @@ jobs:
             api.github.com:443
 
       - name: Download test results
-        uses: actions/download-artifact@b14cf4c92620c250e1c074ab0a5800e37df86765 # v4.2.0
+        uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # v4.2.1
         with:
           path: test-results